Commit Graph

5941 Commits

Author SHA1 Message Date
Hanno Becker
3385a4d5cf Implement TLS 1.3 traffic key generation
See the documentation in library/ssl_tls13_keys.h.

Signed-off-by: Hanno Becker <hanno.becker@arm.com>
2020-09-08 10:28:28 +01:00
Hanno Becker
be9d6648f8 Implement TLS 1.3 key derivation function HKDF-Expand-Label
This commit introduces a new file library/ssl_tls13_key.c
which will subsequently be populated with functionality relating
to the TLS 1.3 key schedule.

Those functions are expected to be internal and are documented
in the internal header library/ssl_tls13_keys.h.

The first function to be implemented is the key expansion
function `HKDF-Expand-Label`. See the documentation in
library/ssl_tls13_keys.h for more information.

Signed-off-by: Hanno Becker <hanno.becker@arm.com>
2020-09-08 10:28:06 +01:00
Janos Follath
17ffc5da8d Bump version to Mbed TLS 2.24.0
Executed "./scripts/bump_version.sh --version 2.24.0"

Signed-off-by: Janos Follath <janos.follath@arm.com>
2020-08-26 16:22:57 +01:00
Janos Follath
d2ce916b58 Merge branch 'development-restricted' 2020-08-26 14:15:34 +01:00
Gilles Peskine
d4b9133850
Merge pull request #3611 from gilles-peskine-arm/psa-coverity-cleanups-202008
Minor fixes in PSA code and tests
2020-08-26 13:18:27 +02:00
Gilles Peskine
9e4d4387f0
Merge pull request #3433 from raoulstrackx/raoul/verify_crl_without_time
Always revoke certificate on CRL
2020-08-26 12:56:11 +02:00
Gilles Peskine
169ca7f06d psa_crypto_storage: Annotate file removal after a failed creation
Let static analyzers know that it's ok if psa_its_remove() fails here.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2020-08-25 22:50:06 +02:00
Gilles Peskine
bab1b52048 psa_its: Annotate file removal after a failed creation
Let static analyzers know that it's ok if remove() fails here.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2020-08-25 22:49:19 +02:00
Janos Follath
d4ac4e037b
Merge pull request #736 from mpg/cf-varpos-copy-dev-restricted
Constant-flow copy of HMAC from variable position
2020-08-25 14:35:55 +01:00
Gilles Peskine
ed19762a22
Merge pull request #3574 from makise-homura/e2k_support
Support building on e2k (Elbrus) architecture
2020-08-25 09:46:36 +02:00
makise-homura
af9513bb48 A different approach of signed-to-unsigned comparison
Suggsted by @hanno-arm

Signed-off-by: makise-homura <akemi_homura@kurisa.ch>
2020-08-24 23:42:49 +03:00
Manuel Pégourié-Gonnard
ba6fc9796a Fix a typo in a comment
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
2020-08-24 12:59:55 +02:00
Manuel Pégourié-Gonnard
6edfe60e0d
Merge pull request #2182 from hanno-arm/key_pwd
Add support for password protected key files to ssl_server2 and ssl_client2
2020-08-24 09:42:38 +02:00
Manuel Pégourié-Gonnard
1a6af8489e
Merge pull request #3578 from gilles-peskine-arm/md_setup-leak-development
Fix memory leak in mbedtls_md_setup with HMAC
2020-08-21 09:19:12 +02:00
Dan Handley
50118144c6 Update remaining copyright notices to use Linux Foundation guidance
Update copyright notices to newly added files since merge of original
PR #3546 "Update copyright notices to use Linux Foundation guidance".
Generated using the same script.

Signed-off-by: Dan Handley <dan.handley@arm.com>
2020-08-20 11:20:12 +01:00
Dan Handley
abccfc1684 Merge development into development-restricted
* development:
  Update copyright notices to use Linux Foundation guidance
  Undef ASSERT before defining it to ensure that no previous definition has sneaked in through included files.
  Add ChangeLog entry for X.509 CN-type vulnerability
  Improve documentation of cn in x509_crt_verify()
  Fix comparison between different name types
  Add test: DNS names should not match IP addresses
  Remove obsolete buildbot reference in compat.sh
  Fix misuse of printf in shell script
  Fix added proxy command when IPv6 is used
  Simplify test syntax
  Fix logic error in setting client port
  ssl-opt.sh: include test name in log files
  ssl-opt.sh: remove old buildbot-specific condition
  ssl-opt.sh: add proxy to all DTLS tests

Signed-off-by: Dan Handley <dan.handley@arm.com>
2020-08-20 11:07:12 +01:00
Manuel Pégourié-Gonnard
de1cf2c5e1 Make mbedtls_ssl_cf_memcpy_offset() constant-flow
all.sh component test_valgrind_constant_flow is now passing.

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
2020-08-20 10:22:41 +02:00
Manuel Pégourié-Gonnard
73afa37507 Add option to test constant-flow with valgrind
Currently the new component in all.sh fails because
mbedtls_ssl_cf_memcpy_offset() is not actually constant flow - this is on
purpose to be able to verify that the new test works.

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
2020-08-20 10:22:41 +02:00
Gilles Peskine
d15c740df6 Fix memory leak in mbedtls_md_setup with HMAC
mbedtls_md_setup() allocates a hash-specific context and then, if
requested, an extra HMAC context. If the second allocation failed, the
hash context was not freed.

Fix this by ensuring that the mbedtls_md_context_t object is always in
a consistent state, in particular, that the md_info field is always
set. For robustness, ensure that the object is in a consistent state
even on errors (other than BAD_INPUT_DATA if the object was not in a
consistent state on entry).

Fix #3486

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2020-08-19 12:04:56 +02:00
Manuel Pégourié-Gonnard
7fe2c5f086 Add mbedtls_ssl_cf_memcpy_offset() with tests
The tests are supposed to be failing now (in all.sh component
test_memsan_constant_flow), but they don't as apparently MemSan doesn't
complain when the src argument of memcpy() is uninitialized, see
https://github.com/google/sanitizers/issues/1296

The next commit will add an option to test constant flow with valgrind, which
will hopefully correctly flag the current non-constant-flow implementation.

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
2020-08-19 11:56:02 +02:00
Manuel Pégourié-Gonnard
3c31afaca6 Use temporary buffer to hold the peer's HMAC
This paves the way for a constant-flow implementation of HMAC checking, by
making sure that the comparison happens at a constant address. The missing
step is obviously to copy the HMAC from the secret offset to this temporary
buffer with constant flow, which will be done in the next few commits.

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
2020-08-19 11:56:01 +02:00
Bence Szépkúti
1e14827beb Update copyright notices to use Linux Foundation guidance
As a result, the copyright of contributors other than Arm is now
acknowledged, and the years of publishing are no longer tracked in the
source files.

Also remove the now-redundant lines declaring that the files are part of
MbedTLS.

This commit was generated using the following script:

# ========================
#!/bin/sh

# Find files
find '(' -path './.git' -o -path './3rdparty' ')' -prune -o -type f -print | xargs sed -bi '

# Replace copyright attribution line
s/Copyright.*Arm.*/Copyright The Mbed TLS Contributors/I

# Remove redundant declaration and the preceding line
$!N
/This file is part of Mbed TLS/Id
P
D
'
# ========================

Signed-off-by: Bence Szépkúti <bence.szepkuti@arm.com>
2020-08-19 10:35:41 +02:00
makise-homura
0be6aa9957 Get back -Wsign-compare and fix sources according to it
Signed-off-by: makise-homura <akemi_homura@kurisa.ch>
2020-08-18 23:52:53 +03:00
Raoul Strackx
a4e86141f1 Always revoke certificate on CRL
RFC5280 does not state that the `revocationDate` should be checked.

In addition, when no time source is available (i.e., when MBEDTLS_HAVE_TIME_DATE is not defined), `mbedtls_x509_time_is_past` always returns 0. This results in the CRL not being checked at all.

https://tools.ietf.org/html/rfc5280
Signed-off-by: Raoul Strackx <raoul.strackx@fortanix.com>
2020-08-17 09:05:03 +02:00
Gilles Peskine
c60c30eb68
Merge pull request #3557 from Ouss4/assert
Ensure that only one definition of ASSERT is present
2020-08-14 23:24:04 +02:00
Gilles Peskine
71f4fa13bb
Merge pull request #721 from gilles-peskine-arm/x509parse_crl-empty_entry-development
Fix buffer overflow in x509_get_entries (oss-fuzz 24123)
2020-08-14 23:22:31 +02:00
Manuel Pégourié-Gonnard
8ca03a7b68
Merge pull request #3554 from mpg/x509-verify-non-dns-san-dev
X509 verify non-DNS SANs
2020-08-14 11:32:22 +02:00
Hanno Becker
5c5efdfcf9 Fix format specifier in ssl_ciphersuite_match() 2020-08-14 09:59:26 +01:00
Hanno Becker
3c88c65426 Fix debug format specifier in ClientHello ciphersuite log 2020-08-14 09:59:26 +01:00
Hanno Becker
ecea07d6c3 Unify ciphersuite related debug output on client and server
The client previously reproted the offered ciphersuites through
their numerical identifier only, while the server reported them
through their name.

This commit modifies the debug output on client and server to
both use the format `ID (NAME)` for the ciphersuites.
2020-08-14 09:58:51 +01:00
Manuel Pégourié-Gonnard
c4af324a4b Merge branch 'development' into development-restricted
* development: (55 commits)
  Log change as bugfix
  Add changelog entry
  Clarify updates to the persistent state in storage
  With multiple applicable transparent drivers, the order is unspecified
  Minor clarifications
  Give some examples of purpsoses of pure-software transparent driver
  Fix typos
  Add a link to the PSA API specification
  Explain locations vs lifetimes
  Initialize key pointer in ecdh to NULL
  Add buffer zeroization when ecp_write_key fails
  Simplified key slot deletion
  Style fixes
  Use arc4random_buf instead of rand on NetBSD
  Apply review feedback
  Update open question section about public key storage
  Remove the paragraph about declaring application needs
  Change driver persistent data to a callback interface
  Rework and expand key management in opaque drivers
  Fix typos and copypasta
  ...
2020-08-14 10:11:21 +02:00
Gilles Peskine
3890f7cd3d
Merge pull request #3540 from gufe44/netbsd-rand-arc4random_buf
Use arc4random_buf instead of rand on NetBSD
2020-08-13 15:27:45 +02:00
Ouss4
e0b2687a2d Undef ASSERT before defining it to ensure that no previous definition
has sneaked in through included files.

Signed-off-by: Ouss4 <abdelatif.guettouche@gmail.com>
2020-08-12 20:02:25 +01:00
Gilles Peskine
e900b59703
Merge pull request #719 from gabor-mezei-arm/689_zeroising_of_plaintext_buffers
Zeroising of plaintext buffers in mbedtls_ssl_read()
2020-08-12 18:51:42 +02:00
Manuel Pégourié-Gonnard
f3e4bd8632 Fix comparison between different name types
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
2020-08-11 10:24:21 +02:00
Manuel Pégourié-Gonnard
eaa0739143
Merge pull request #716 from mpg/ct-varlen-hmac
Add constant-flow variable-length HMAC function
2020-08-10 12:40:33 +02:00
Gilles Peskine
67a85d1d3b
Merge pull request #3492 from stevew817/rework/key_slot_contains_key_buffer
Rework PSA Crypto core to store keys in export representation
2020-08-05 21:16:11 +02:00
Steven Cooreman
d4867877f1 Initialize key pointer in ecdh to NULL
Since it is being dereferenced by free on exit it should be inited to NULL.
Also added a small test that would trigger the issue.

Signed-off-by: Steven Cooreman <steven.cooreman@silabs.com>
2020-08-05 17:38:47 +02:00
Steven Cooreman
b7f6deaae7 Add buffer zeroization when ecp_write_key fails
Signed-off-by: Steven Cooreman <steven.cooreman@silabs.com>
2020-08-05 17:38:47 +02:00
Steven Cooreman
fd4d69a72e Simplified key slot deletion
And zeroize key buffer before freeing to avoid keys hanging around on the
heap.

Signed-off-by: Steven Cooreman <steven.cooreman@silabs.com>
2020-08-05 17:38:32 +02:00
Steven Cooreman
291498600b Style fixes
* return is treated as a function call
* space between opening and closing parentheses
* remove whiteline between assignment and checking of same variable

Signed-off-by: Steven Cooreman <steven.cooreman@silabs.com>
2020-08-05 16:44:24 +02:00
gufe44
c2620dac02 Use arc4random_buf instead of rand on NetBSD
Avoid old implementation of rand returning numbers with cyclical lower bits. Allow tests to pass.

Signed-off-by: gufe44 <gu981@protonmail.com>
2020-08-03 17:56:50 +02:00
Steven Cooreman
4fed455347 Apply review feedback
* No need to check for NULL before free'ing
* No need to reset variables that weren't touched
* Set output buffer to zero if key output fails
* Document internal functions and rearrange order of input arguments to
  better match other functions.
* Clean up Montgomery fix to be less verbose code

Signed-off-by: Steven Cooreman <steven.cooreman@silabs.com>
2020-08-03 14:46:12 +02:00
Steven Cooreman
3fa684ed91 Allow importing Montgomery public keys in PSA Crypto
PSA Crypto was checking the byte length of a to-be-imported public ECP key
against the expected length for Weierstrass keys, forgetting that
Curve25519/Curve448 exists.

Signed-off-by: Steven Cooreman <steven.cooreman@silabs.com>
2020-07-30 15:35:14 +02:00
Steven Cooreman
7f39187d6b Convert load_xxx_representation to take buffers instead of a whole slot
Avoids stack-allocating a key slot during ECDH, and mock-attaching a
key to a key slot during key import.

Signed-off-by: Steven Cooreman <steven.cooreman@silabs.com>
2020-07-30 15:21:41 +02:00
Steven Cooreman
6d839f05bf Cleanup
* No null-check before calling free
* Close memory leak
* No need for double check of privkey validity

Signed-off-by: Steven Cooreman <steven.cooreman@silabs.com>
2020-07-30 15:21:41 +02:00
Gilles Peskine
171826550f
Merge pull request #709 from mpg/protect-base-blinding-dev-restricted
Protect base blinding in RSA and DHM
2020-07-29 10:58:53 +02:00
Steven Cooreman
a2371e53e4 Update after feedback from #3492
* Allocate internal representation contexts on the heap (i.e. don't change
  where they're being allocated)
* Unify load_xxx_representation in terms of allocation and init behaviour

Signed-off-by: Steven Cooreman <steven.cooreman@silabs.com>
2020-07-28 14:30:39 +02:00
Steven Cooreman
75b743666e Update after feedback on #3492
* Updated wording
* Split out buffer allocation to a convenience function
* Moved variable declarations to beginning of their code block

Signed-off-by: Steven Cooreman <steven.cooreman@silabs.com>
2020-07-28 14:30:13 +02:00
Manuel Pégourié-Gonnard
f009542747 Add missing const for consistency
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
2020-07-27 09:34:10 +02:00